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Using Tri-Zyme in your holding tank is your best assurance of an odor-free and trouble-free sanitation system. Simply flush 2 scoops into your toilet after every tank pumpout. The natural enzymes grow in the tank and work at breaking down waste material and eliminating odors. Tri-Zyme For Holding Tanks contains a small amount of chemical deodorizer to cover any existing odors until the enzymes have a chance to work.
• Non-poisonous, natural enzymes
• 12 uses per container
• Works for the entire time, until the next pumpout
• Long shelf life